Nearby Harbors
41.6567’ N, 70.8133’ W

Mattapoisett Harbor, MA

56°
H 61°
L 48°
NNE
18mph
Low tide
9:50 am
Photo Credits

Tides Today & Tomorrow in Mattapoisett Harbor, MA

TIDE TIMES for Tuesday, October 20, 2026
The tide is currently falling in Mattapoisett Harbor, MA.
Next low tide : in 10m at 9:50 am (0.9 ft)
Next high tide : 3:58 pm (3.2 ft)
Sunset today : 5:54 pm
Sunrise tomorrow : 7:01 am
Moon phase : First Quarter (69% illuminated)
Tide Station Location : Station #8447531
Common Questions About Tides

Featured Local Businesses

Cape Yachts

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Dartmouth Harbormaster
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Mattapoisett Harbor, MA Tides - Dec 1813

Print this Tide Chart
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:213.31:403.46:580.67:420.46:544:18First Quarter1Wed
2Thu2:163.52:383.58:200.58:430.26:554:17First Quarter2Thu
3Fri3:143.83:403.69:340.39:37-0.16:564:17Waxing Gibbous3Fri
4Sat4:154.24:423.910:340.010:27-0.46:584:17Waxing Gibbous4Sat
5Sun5:134.65:404.111:27-0.311:16-0.66:584:17Waxing Gibbous5Sun
6Mon6:075.06:344.412:19-0.56:594:17Full Moon6Mon
7Tue6:595.37:264.512:04-0.71:12-0.67:004:17Full Moon7Tue
8Wed7:515.48:184.612:55-0.82:07-0.67:014:17Full Moon8Wed
9Thu8:435.39:114.51:47-0.73:00-0.57:024:17Waning Gibbous9Thu
10Fri9:365.110:064.42:39-0.63:50-0.37:034:17Waning Gibbous10Fri
11Sat10:314.811:024.23:30-0.44:40-0.17:044:17Waning Gibbous11Sat
12Sun11:284.44:23-0.15:390.17:054:17Waning Gibbous12Sun
13Mon12:004.112:264.05:200.37:040.37:064:17Third Quarter13Mon
14Tue12:583.91:223.76:400.58:170.47:064:17Third Quarter14Tue
15Wed1:563.82:183.48:420.69:090.47:074:18Third Quarter15Wed
16Thu2:543.73:173.29:470.69:440.47:084:18Waning Crescent16Thu
17Fri3:533.74:163.210:310.510:120.47:084:18Waning Crescent17Fri
18Sat4:493.85:093.211:050.410:410.37:094:18Waning Crescent18Sat
19Sun5:373.95:543.211:370.311:150.17:104:19Waning Crescent19Sun
20Mon6:193.96:353.312:120.27:104:19Waning Crescent20Mon
21Tue6:564.07:133.412:490.07:114:20New Moon21Tue
22Wed7:324.07:503.412:320.01:290.07:114:20New Moon22Wed
23Thu8:074.08:263.41:13-0.12:09-0.17:124:21New Moon23Thu
24Fri8:413.99:033.31:54-0.12:46-0.17:124:21New Moon24Fri
25Sat9:183.89:433.32:34-0.13:200.07:124:22Waxing Crescent25Sat
26Sun9:573.710:253.23:120.03:530.07:134:23Waxing Crescent26Sun
27Mon10:403.611:113.23:500.14:270.07:134:23Waxing Crescent27Mon
28Tue11:283.54:310.25:060.17:134:24Waxing Crescent28Tue
29Wed12:003.312:193.45:200.35:530.17:144:25First Quarter29Wed
30Thu12:523.41:133.46:230.46:510.17:144:25First Quarter30Thu
31Fri1:463.62:103.47:410.47:550.07:144:26First Quarter31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8447531)

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Common Questions About Mattapoisett Harbor, MA Tides

Collapse All
Is this week a spring tide or neap tide in Mattapoisett Harbor, MA?

Mattapoisett Harbor, MA is currently in a transitional phase. Tonight's moon is 69% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are shifting between spring and neap.

What datum are Mattapoisett Harbor, MA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Mattapoisett Harbor, MA?

Tide predictions for Mattapoisett Harbor, MA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Mattapoisett Harbor, MA?

Tide data for Mattapoisett Harbor, MA is sourced from NOAA Station #8447531. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8447531.

What is the moon phase in Mattapoisett Harbor, MA tonight?

Tonight the moon over Mattapoisett Harbor, MA is First Quarter (69% illuminated). This places Mattapoisett Harbor, MA in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA

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